Python实现DNSPod DNS动态解析脚本

闲暇之余，在家里自建了个服务器，因为用的小区宽带，IP位动态分配。域名解析就是个问题，我的域名一般停放在DNSPod下。DNSPod有提供修改的API，就用Python简单的实现了一下动态解析。这样，就不用安装花生壳了。 废话不说，看代码：

#!/usr/bin/env python
#-*- coding:utf-8 -*-

import httplib, urllib, urllib2
import time
import sys,os
import re
import json

username = 'xxxx'  #账号
password = 'xxx'  #密码
format = 'json'

domain = [u'www.youdomain.com']  #要解析的域名

def get_domain_info(domain):
	domain_split = domain.split('.')
	domain_split_len = len(domain_split)
	maindomain = domain_split[domain_split_len - 2] + '.' + domain_split[domain_split_len - 1]
	return maindomain,domain

params = {'login_email':username,'login_password':password,'format':format}

def request(action, params, method = 'POST'):
	headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/json"}
	conn = httplib.HTTPSConnection("dnsapi.cn")
	conn.request(method, '/' + action, urllib.urlencode(params), headers)
	response = conn.getresponse()
	data = response.read()
	conn.close()
	if response.status == 200:
		return data
	else:
		return None

def get_my_domain_id():
	data = request('Domain.List',params)
	data = json.loads(data)
	domainlist = data.get('domains')
	domaninfo = {}
	for d in domainlist:
		domaninfo[d.get('name')]  = d.get('id')
	return domaninfo

def get_my_domain_record_id(domain_id):
	params['domain_id'] = domain_id
	data = request('Record.List',params)
	data = json.loads(data)
	if data.get('code') == '10':
		return None
	domainname = data.get('domain').get('name')
	record_list = data.get('records')
	record = {}
	for r in record_list:
		if r.get('type') == 'A':
			key = r.get('name') != '@' and r.get('name') + '.' + domainname or domainname
			record[key] = {'id':r.get('id'),'value':r.get('value')}
	return  record

def changerecord(domain,domain_id,record_id,ip):
	params['domain_id'] = domain_id
	params['record_id'] = record_id
	params['record_type'] = 'A'
	params['record_line'] = '默认'
	params['sub_domain'] = domain
	params['ttl'] = 600
	params['value'] = ip
	data = request('Record.Modify',params)

def getip():
	url = 'http://iframe.ip138.com/ic.asp'
	response = urllib2.urlopen(url)
	text = response.read()
	ip = re.findall(r'\d+.\d+.\d+.\d+', text)
	return ip[0] or None

def updatedomaininfo(domain):
	m,sub_m = get_domain_info(domain)
	domain_id = my_domain_id_list.get(m)
	record_list = get_my_domain_record_id(domain_id)
	if record_list == None:
		return None
	rocord_info = record_list.get(sub_m)
	record_ip = rocord_info.get('value')
	record_id = rocord_info.get('id')
	return sub_m,record_ip,record_id,domain_id

if __name__ == '__main__':
	my_domain_id_list = get_my_domain_id()
	try:
		for dm in domain:
			domaindata = updatedomaininfo(dm)
			if domaindata == None:
				continue
			dnsdomain,dnsdmainip,record_id,domain_id = domaindata
			domain_name = dnsdomain.split('.')[0]
			ip = getip()
			if ip == dnsdmainip:
				continue
			else:
				changerecord(domain_name,domain_id,record_id,ip)
	except:
		pass